def tx_outputs(self, derivation, tx, segwit=False):
outputs = []
has_change = False
for _type, address, amount in tx.outputs():
info = tx.output_info.get(address)
if info is not None and not has_change:
has_change = True # no more than one change address
addrtype, hash_160 = b58_address_to_hash160(address)
index, xpubs, m = info
if len(xpubs) == 1:
script_type = self.types.PAYTOP2SHWITNESS if segwit else self.types.PAYTOADDRESS
address_n = self.client_class.expand_path(derivation +
"/%d/%d" % index)
txoutputtype = self.types.TxOutputType(
amount=amount,
script_type=script_type,
address_n=address_n,
)
else:
script_type = self.types.PAYTOP2SHWITNESS if segwit else self.types.PAYTOMULTISIG
address_n = self.client_class.expand_path("/%d/%d" % index)
nodes = map(self.ckd_public.deserialize, xpubs)
pubkeys = [
self.types.HDNodePathType(node=node,
address_n=address_n)
for node in nodes
]
multisig = self.types.MultisigRedeemScriptType(
pubkeys=pubkeys, signatures=[b''] * len(pubkeys), m=m)
txoutputtype = self.types.TxOutputType(
multisig=multisig,
amount=amount,
address_n=self.client_class.expand_path(derivation +
"/%d/%d" %
index),
script_type=script_type)
else:
txoutputtype = self.types.TxOutputType()
txoutputtype.amount = amount
if _type == TYPE_SCRIPT:
txoutputtype.script_type = self.types.PAYTOOPRETURN
txoutputtype.op_return_data = address[2:]
elif _type == TYPE_ADDRESS:
if is_segwit_address(address):
txoutputtype.script_type = self.types.PAYTOWITNESS
else:
addrtype, hash_160 = b58_address_to_hash160(address)
if addrtype == NetworkConstants.ADDRTYPE_P2PKH:
txoutputtype.script_type = self.types.PAYTOADDRESS
elif addrtype == NetworkConstants.ADDRTYPE_P2SH:
txoutputtype.script_type = self.types.PAYTOSCRIPTHASH
else:
raise BaseException('addrtype: ' + str(addrtype))
txoutputtype.address = address
outputs.append(txoutputtype)
return outputs
def create_output_by_address():
txoutputtype = self.types.TxOutputType()
txoutputtype.amount = amount
if _type == TYPE_SCRIPT:
txoutputtype.script_type = self.types.PAYTOOPRETURN
txoutputtype.op_return_data = address[2:]
elif _type == TYPE_ADDRESS:
if is_segwit_address(address):
txoutputtype.script_type = self.types.PAYTOWITNESS
else:
addrtype, hash_160 = b58_address_to_hash160(address)
if addrtype == constants.net.ADDRTYPE_P2PKH:
txoutputtype.script_type = self.types.PAYTOADDRESS
elif addrtype == constants.net.ADDRTYPE_P2SH:
txoutputtype.script_type = self.types.PAYTOSCRIPTHASH
else:
raise Exception('addrtype: ' + str(addrtype))
txoutputtype.address = address
return txoutputtype